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Cells
Vocab words for cells unit
| Vocabulary Word | Definition |
|---|---|
| Cell Theory | Every cell comes from a cell that already existed |
| Cell Wall | The tough, rigid outer covering that protects cell & gives them their shape |
| Cell Membrane | The protective layer around every cell |
| Cytoplasm | A gelatinlike substance that cells are filled with; it constantly flows inside the cell membrane |
| Ribosome | The small structures that take part in making protein |
| Organelle | Large structures in cells, they are found in the cytoplasm of eukaryotic cells; have different functions |
| Nucleus | Long, threadlike, hereditary material; its made up of DNA |
| Chloroplast | Green organs in plants cells, they make the food |
| Mitochondrion | Organelles where energy is released when food is broken down into carbon dioxide & water |
| Endoplasmic Reticulum | A series of folded membranes in which materials can be processed & moved around inside the cell |
| Golgi body | Stacked, flattened membranes |
| Tissue | A group of similar cells that work together to do one job |
| Organ | A structure made up of two or more different types of tissues that work together |
| Organ System | A group of organs working together to perform a certain function |
| Vacuole |
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